Formula: Fe2/3Fe4(SO4)6(OH)2 . 20H2O
Origin of name: From Ferric iron (Fe3+) and copiapite
Crystal system: Triclinic
Crystal class: -1
Twinning:
Unit cell:
Colour: Yellow
Diaphaneity:
Luster:
Habit:
Hardness: 2.5 to 3
Specific gravity: 2.1
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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